Ventilator for buildings



June 25, 1929. ERLACH 1,718,226

VENTILATOR FOR BUILDINGS Filed July 5, 1927 v .2720672 for" fikxa na er G'Q z Patented June 25,1929. 1 1,718,226

UNITED STATES PATENT OFFICE.

ALEXANDER GERLACH, OF LAUTERBACE, GERMANY, ASSIGNOR, BY MESNE ASSIGN- MENTS, TO DANIEL SCHANZ, OF QBERSCHMITTEN, HESSE, GERMANY.

' VENTILATOR FOR BUILDINGS. Application filed July 5, 1927, Seria1 No. 203,325, and in Germany November 4, 1926.

y This invention relates to a ventilating which separates the two openings b and 0, is device for buildings of the kind composed curved outwards in a vertical plane and of a frame having an outlet opening for foul corrugated so as to form, at both sides of air and an inlet opening for fresh air. the partition, i. e., at the front and rear 5 In old devices of this kind the openings thereof, vertical channels through which are placed on the same level and close to part of the-hot air can be led back towards each other, an arrangement which is not the opening 0 for mixing with and modifyconducive to an effective change of fresh ing the temperature of the incoming fresh for foul air. The object of the present inair, the occupants of the room being thereby 60 1 vention is to improve the ventilating effect, protected-from cold draught.

and the invention consists in arranging the I claim: outlet opening above the inlet opening and 1. A ventilator for buildings comprising separating the two openings by a partition a frame and a partition arranged in said which relegates to each opening its proper frame so as to form two superposed open- 65 function. The effect is enhanced by the proings, one for admitting and the other for dis vision of a wind shield arranged in front char ing air, said partition being formed to of the outlet opening so as to deflect the wind provide vertical channels connecting said from the latter and convert the wind presopenings. sure into suction. 2. The ventilator structure claimed in 7 Means are also provided for causing sutliclaim 1 and a wind shield arranged in procient outgoing air to mix with the incoming tecting position in front of the outlet air so as to moderate the temperature of the opening. latter, thus protecting the occupants of a 3. A ventilator for buildings comprising room from being exposed to cold draught. a frame, a partition arranged in .said frame 75 Fig. 1 of the accompanying drawing repso as to form two superposed distanced openresents a front view of the improved ventiings, one for admitting and the other for lator according to one construction, discharging air, and a wind shield arranged Fig. 2, a vertical section of the same on in protecting position in front of the outlet line 2-2 of Fig. 1, opening, said partition and shield being Fig. 3, a front view showing parts in secshaped so as to form channels between them .tion to better disclose the construction :53 a to which part of the outgoing air can mix modified arrangement, with the incoming air, substantially as and Fig. 4, a vertical section on the line 44 for the purpose set forth. of Fig. 1. 4. A ventilator according to claim 3 as The ventilator consists of a. frame '0; wherein the partition is curved outwards which is built into the wall near the ceiling from one opening to the other.

, and fitted with a partition 03 so as to form .5. 'A ventilator according to claim 3 two superposed openings 1) and a, one for the wherein the partition is curved outwards in discharge of the hot air which accumulates a vertical plane and corrugated so as to form under the ceiling and the other for the adinside and outside air channels leading from mission of fresh air. The outlet opening I) one opening to the other.

is protected by a wind shield 7 which is com- 6. A ventilator according to claim 3 posed of angularly assembled plates ar-, wherein the wind shield is formed with ranged so as to form two lateral channels 6 angularly assembled planes and is arranged leading from above into the opening I) and so as to direct the outgoing air upwards and two upwardly directed outlet channels c. towards both sides.

The shield f deflects the wind from the open- 7. A ventilator for buildings comprising a ing 6 and converts the wind pressure into frame, a partition arranged in said frame a suction effect whereby the foul air is drawn so as to form two superposed openings, one

out through the opening I). for admitting and the other for discharging In the structure shown, the partition (1 air, and having means connecting said openings foradmixture of a part of the outgoing ing consisting of angularly related upper air with the incoming air. and lower plates forming lateral air pas- 1 8. A ventilator cbmprising a casing open sages communicating with the warm air at the front and rear, a partition in said outlet, and an outlet passage extending casing subdividing the same to form a lower through the upper plate and communicating cold air inlet and an upper warm air outlet with the 'warm air passage.

and passages connecting the same, a windshield at the upper front portion of the cas- ALEXANDER GERLACH. 

